package com.dzh.dao;

import com.dzh.pojo.Department;
import com.dzh.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@Repository
public class EmployeeDao {

    //模拟数据库中的值
    private static Map<Integer, Employee> employees=null;
    //员工所属部门
    @Autowired
    private DepartmentDao departmentDao;


    static {
        employees =new HashMap<Integer, Employee>();//创建部门表
        employees.put(1001,new Employee(1001,"AA","AA123@qq.com",1,new Department(101,"教学部")));
        employees.put(1002,new Employee(1002,"BB","BB123@qq.com",0,new Department(102,"研发部")));
        employees.put(1003,new Employee(1003,"CC","CC123@qq.com",1,new Department(103,"市场部")));
        employees.put(1004,new Employee(1004,"DD","DD123@qq.com",0,new Department(104,"人力部")));
        employees.put(1005,new Employee(1005,"EE","EE123@qq.com",1,new Department(105,"实施部")));

    }
    //==================CRUD========================
    private static  Integer initId =1006;

    //增加一个员工
    public void saveEmployee(Employee employee){
       if(employee.getId()==null){
           employee.setId(initId++);
       }
       employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
       employees.put(employee.getId(),employee);
    }
    //查询全部员工

    public  Collection<Employee> getAll(){
        return employees.values();
    }
    //通过id查询员工
    public Employee getEmployeeById(Integer id){
       return employees.get(id);
    }
    //删除员工
    public void delete (Integer id) {
            employees.remove(id);
        }

}
